I need help on 1-8 ..

Answers

Answer 1

Answer:

Answer:

To begin this problem we call "the sum of the number" x. Now we have the equation 2(x)+5=20. This is the answer because it said to translate the equation. I think 2x+5+20 would be the correct translation.

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Write 6y = x + 5 in standard form using integers. A. –x + 6y = 5
B. –6x + 6y = 30
C. -6x - 6y = 30
D. 6x - 6y = 30

Answers

I hope this helps you

-x+6y=5

Standard form is Ax+By=C, so with that knowledge, we can work with the problem to get it how we want it!

Our first step is to get x and y on the same side of the equals sign. To do that, we can subtract an x from both sides, turning 6y = x + 5 into -x +6y = 5. Lucky for us, this brings us straight to the answer, which is A) -x +6y = 5!

Which choice represents the simplified form of the expression below and the values of x for which it is defined?√7x^3 divide by √x

A.x√2x when x>0
B.x√7 when x<0
C.x√7 when x>1
D.x√7 when x>0

Answers

$√(7x^3):√(x)=\sqrt(7x^3)/(x)=√(7x^2)=x\sqrt7\n\n√(7x^3)\to x^3\geq0\to x\geq0\ \wedge\ √(x)\to x > 0\n\nAnswer:D.\ x\sqrt7\ when\ x > 0$

What is the decimal representation of 27/100? A. 2.7 B. .27 C. .72 D. 27.1

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B) .27 is the correct answer

B) .27 is your answer.

❌❌EVALUATE SQUARE ROOTS❌❌1. Evaluate 6 + √14 + x - √9x when x = 2.

a) 10 - 3√2

b) 10 - √2

c) 7

d) -4

2. Evaluate 6 + √14 + x - √9x when x = 2. (Write as decimal)

a) 14.24

b) 7

c) 5.76

d) -4

Thank you !

Answers

The first answer is A then the next answer is C

There are 15 students in a social studies class. Two students will be selected to present their term projects today. In how many different orders can two students be selected?

Answers

Given:
15 students
2 students must be chosen.
No repetition, no order

This is a combinations problem. We use this formula: n! / (n-r)!(r!)

n = 15 ; r = 2

15! / (15-2)!(r!) ⇒ 15! / 13! * 2! = 105

Using the combination formula, it is found that the students can be selected in 105 ways.

The order in which the students are selected is not important, hence the combination formula is used to solve this question.

What is the combination formula?

The number of possible combinations of x elements from a set of n elements is given by:

$C_((n,x)) = (n!)/(x!(n-x)!)$

In this problem, two students are selected from a set of 15, hence the number of different orders is given by:

$C_(15,2) = (15!)/(2!13!) = 15 * 7 = 105$

More can be learned about the combination formula at brainly.com/question/25821700

#SPJ5

The sum of x and 4 is greater than the difference of 2x and 3. Find x

Answers

Answer:

3 i think

Step-by-step explanation:

add 3 and 4 =7

multiply 2 and 3= 6 and subtract 3 = 3

Other Questions

The height of an object after it is released can be modeled by the function f (x) = negative 16 t squared v t s, where t is the number of seconds after the object is released, v is the upward speed in feet per second at release, and s is the starting height in feet. if a quarterback throws a ball from his hand 6 feet in the air at an upward speed of 25 feet per second, how much time does his teammate have to catch the ball?

1234552°447°m/1 =m/2 =m/3=m/4=m/5=

What is 2 radical 15 squared

What 2+2 whats 4+4whats 8+8whats 16+16now think of a random veggie